[llvm] AMDGPU: Match and Select BITOP3 on gfx950 (PR #117843)

[Vladimir Vereschaka via llvm-commits]

vvereschaka wrote:

@arsenm the problem is not fixed for 4 days already. Please revert your changes or fix this problem as soon as possible.

https://github.com/llvm/llvm-project/pull/117843